[v2] Updates HelloLua and TestLua vs project, they don't depend on
libBox2D and libchipmunk.
[v2] Updates 'version' key in external/config.json
[v2] Removed an unneeded empty line in download-deps.py
Merge pull request #6719 from dumganhar/v2

[v2] Updates HelloLua and TestLua vs project, they don't depend on libBox2D and libchipmunk.